Library /Berkeley Math Circle: Monthly Contest 2

Berkeley Math Circle: Monthly Contest 2

42 problems here, rated 4.2 to 5.2 on our scale (AIME to AIME, harder). 40 of them ask for a proof.

Algebra 8Combinatorics 15Geometry 12Number theory 7

#	Topic	Diff	Type	Year
1	Algebra	4.2	answer	—	open
2	Combinatorics	4.3	proof	—	open
3	Number theory	4.3	answer	—	open
4	Algebra	4.3	proof	—	open
5	Geometry	4.4	proof	—	open
6	Geometry	4.4	proof	—	open
7	Geometry	4.4	proof	—	open
8	Number theory	4.4	proof	—	open
9	Geometry	4.5	proof	—	open
10	Geometry	4.7	proof	—	open
11	Geometry	4.7	proof	—	open
12	Number theory	4.7	proof	—	open
13	Combinatorics	4.8	proof	—	open
14	Combinatorics	4.8	proof	—	open
15	Combinatorics	4.8	proof	—	open
16	Number theory	4.8	proof	—	open
17	Geometry	4.8	proof	—	open
18	Algebra	4.8	proof	—	open
19	Number theory	4.8	proof	—	open
20	Number theory	4.9	proof	—	open
21	Geometry	4.9	proof	—	open
22	Combinatorics	4.9	proof	—	open
23	Combinatorics	4.9	proof	—	open
24	Algebra	5.0	proof	—	open
25	Combinatorics	5.0	proof	—	open
26	Algebra	5.0	proof	—	open
27	Combinatorics	5.0	proof	—	open
28	Algebra	5.1	proof	—	open
29	Geometry	5.1	proof	—	open
30	Algebra	5.1	proof	—	open
31	Combinatorics	5.1	proof	—	open
32	Geometry	5.1	proof	—	open
33	Combinatorics	5.2	proof	—	open
34	Combinatorics	5.2	proof	—	open
35	Combinatorics	5.2	proof	—	open
36	Geometry	5.2	proof	—	open
37	Combinatorics	5.2	proof	—	open
38	Number theory	5.2	proof	—	open
39	Geometry	5.3	proof	—	open
40	Algebra	5.3	proof	—	open
41	Combinatorics	5.4	proof	—	open
42	Combinatorics	5.5	proof	—	open

These are sorted by difficulty within the competition, but they aren't a course. The track is the route through, drawn from all the sources at once.